excessively
Definitions
To a degree that is more than is necessary, normal, or desirable.
In an immoderate or extreme manner.
Examples
He was excessively worried about the outcome of the meeting.
The restaurant was excessively crowded, making it difficult to find a seat.
She apologized excessively for a mistake that was barely noticeable.
Synonyms
immoderately unduly inordinately extravagantly exorbitantly overly intemperately
Antonyms
moderately sparingly temperately reasonably adequately sufficiently modestly